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Folding Bikes Discuss the unique features and issues of folding bikes. Also a great place to learn what folding bike will work best for your needs.

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Old 08-11-12, 07:20 AM   #26
keke
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Thanks chagzuki. I'm leaning towards LBS2, I'll learn to do the other stuff myself.
BTW, how can there be play in the front hub? Can't grasp the concept.

Another mech (LBS3) today suggested that there's some play in the headset and it needs to be serviced as well.

I'm planning to order the safety catch here and the handlepost QR here

Thanks.

Anything else?
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Old 08-11-12, 07:34 AM   #27
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Learn to do the headset yourself, it's simple but does require a specific allen key size. I think it's 10mm but I'll double check that.
There are no bearings in there, it's a really minimalistic design using plastic in place of bearings and essentially it can be treated as one would an Aheadset. So you simply loosen the allen bolt on the side of the lower clamp section then adjust the large allen bolt that screws down into the steerer until there's no play in the headset but it still rotates freely, then re-tighten the small allen bolt on the side of the lower clamp section.

Once you get used to these things if you notice any wobbliness in the bike in the future you'll be able to troubleshoot where it's coming from.
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Old 08-11-12, 08:05 AM   #28
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Originally Posted by chagzuki View Post
Learn to do the headset yourself, it's simple but does require a specific allen key size. I think it's 10mm but I'll double check that.
There are no bearings in there, it's a really minimalistic design using plastic in place of bearings and essentially it can be treated as one would an Aheadset. So you simply loosen the allen bolt on the side of the lower clamp section then adjust the large allen bolt that screws down into the steerer until there's no play in the headset but it still rotates freely, then re-tighten the small allen bolt on the side of the lower clamp section.

Once you get used to these things if you notice any wobbliness in the bike in the future you'll be able to troubleshoot where it's coming from.
Thanks.
Downloaded the Dahon 2010 service instruction manual for reference.

Last edited by keke; 08-11-12 at 08:11 AM.
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Old 08-11-12, 08:56 AM   #29
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Checked, it is 10mm. Actually you could get the Park Tool AWS-11 folding allen key set, might be easier.
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Old 08-14-12, 12:30 PM   #30
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Dropped off the bike with LBS2, excited!
Looking forward to riding the little critter and enjoying it. Already been buying stuff I probably don't need, LOL!
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Old 08-16-12, 04:07 PM   #31
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Disaster!

Went to pick up my bike today. All fixed and looking good. LBS kindly started folding it and, horror of horrors, the hinge broke!
The main hinge wouldn't budge and got stuck then suddenly the hinge latch bolt (aka hex bar) broke clean off!
Gutted!
Have to wait for a few days for the replacement part to arrive. Bike not rideable, absolutely gutted.
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Old 08-17-12, 06:26 AM   #32
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Sounds like they adjusted it incorrectly.
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Old 08-17-12, 08:03 AM   #33
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^^^ I guess so. Peeved. Hope they don't shift the burden of costs entirely to me.
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Old 08-21-12, 08:05 PM   #34
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Bike fixed, hinge bolt changed - apparently very easy to get parts in, arrived quickly.

Not been able to ride it yet, busy with work. Hopefully will give it a test ride tomorrow.

In other news, I've only gone and bought myself a Radius V handlepost lower section! Impulse buy, going cheap so went for it.
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Old 08-21-12, 11:38 PM   #35
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Pics and ride review please!
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Old 08-21-12, 11:47 PM   #36
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a brand new high quality cycling jersey
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Old 08-25-12, 07:41 AM   #37
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And it drops again...

Radius V price drop. FYI to any interested parties..
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Old 08-25-12, 08:12 AM   #38
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Have you ordered one of these? I was looking at it but couldn't figure out which year version it is. It looks like the older 2007/2008 which means it could be the model which had to be recalled.
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Old 08-25-12, 08:18 AM   #39
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Have you ordered one of these? I was looking at it but couldn't figure out which year version it is. It looks like the older 2007/2008 which means it could be the model which had to be recalled.
I was skeptical as well but ordered anyway. It is indeed the Radius V handlepost lower section.
Gutted that I could have saved an additional 2.50 by waiting a while, LOL!
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Old 08-25-12, 08:27 AM   #40
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Does it fit the upper telescoping section of your handlepost which assuming it's a 2007 model is 25.4mm? (In 2008 they switched to 28.6mm.)
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Old 08-25-12, 08:44 AM   #41
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Does it fit the upper telescoping section of your handlepost which assuming it's a 2007 model is 25.4mm? (In 2008 they switched to 28.6mm.)
I actually don't know...
I assume I'll simply purchase the upper section if required in the future. Seemed too good a price to turn down.
Dunno how he does it, probably old stock. Same shop sold a Dahon Tournado for 500! I actually saw the bike with a friend, beautiful and brand spanking new!
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Old 08-25-12, 09:25 AM   #42
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BTW, need a QR lever for the handlepost clamp. Was going to buy this from CH White but will this ebay item do?
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Old 08-25-12, 10:21 AM   #43
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I don't know about that, dimensions vary and it's unlikely that a third party item will fit exactly. The CH white item is for the handlebar clamp, not the lower handlepost clamp. . . argh, terminology nightmare.
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Old 08-25-12, 11:03 AM   #44
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chagz,
They say it will fit the handlepost in the blurb.
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Old 08-25-12, 11:08 AM   #45
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Yeah, the section that clamps the handlebar, if that's what you're after. Though you already have it on your bike?
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Old 08-25-12, 12:48 PM   #46
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chagzuki, I mean this QR:

http://www.bikeforums.net/attachment...9&d=1344463772

I think that's what they mean by 'mid point Q release lever'

Last edited by keke; 08-25-12 at 12:52 PM.
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Old 08-25-12, 06:11 PM   #47
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I think it means the handlebar clamp, you can see that's what it is if you compare it to the one on your bike. The handlepost skewer is different. But that should come with the new radius v one you've ordered from ebay?
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Old 08-26-12, 02:46 AM   #48
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I think it means the handlebar clamp, you can see that's what it is if you compare it to the one on your bike. The handlepost skewer is different. But that should come with the new radius v one you've ordered from ebay?
I didn't want to cannibalise the new handlepost. I will call CH White to clarify...
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Old 08-26-12, 02:28 PM   #49
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Ride report etc..

Today I had the opportunity to properly test my preloved Dahon MuP8.

Brief ride overall, in fits and spurts but got saddle time - that's what matters eh?

Still getting used to the derailleur system, it required some concentration to actually shift!

The stock folding pedals are slippery if you've got anything but trainers on. I think I'll need to change that.

The ride was much better than my old bike in terms of twitchiness, far better.

Gears were good, able to tackle an incline far easier than with my old bike.

The bad: there was an awful creaking from the handlepost. Also some fore and aft play, not side to side. Creaking was marked when going uphill. The frame hinge felt fine, solid and not a peep from it.

Dunno what I have to do, that handlepost noise is horrible. Overwhelms what's a nice ride. I need to sort that somehow.

Thanks folks.
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Old 08-26-12, 02:33 PM   #50
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Old and new (or first and second, LOL!).
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